linux-kernel - Re: [PATCH 1/2] drm/virtio: fix unblank

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Date:   Fri, 28 Aug 2020 13:27:59 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     Jiri Slaby <jirislaby@...nel.org>
Cc:     dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:VIRTIO GPU DRIVER" 
        <virtualization@...ts.linux-foundation.org>,
        1882851@...s.launchpad.net
Subject: Re: [PATCH 1/2] drm/virtio: fix unblank

On Mon, Aug 24, 2020 at 09:24:40AM +0200, Jiri Slaby wrote:
> On 18. 08. 20, 9:25, Gerd Hoffmann wrote:
> > When going through a disable/enable cycle without changing the
> > framebuffer the optimization added by commit 3954ff10e06e ("drm/virtio:
> > skip set_scanout if framebuffer didn't change") causes the screen stay
> > blank.  Add a bool to force an update to fix that.
> > 
> > v2: use drm_atomic_crtc_needs_modeset() (Daniel).
> > 
> > Cc: 1882851@...s.launchpad.net
> > Fixes: 3954ff10e06e ("drm/virtio: skip set_scanout if framebuffer didn't change")
> > Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
> 
> Tested-by: Jiri Slaby <jirislaby@...nel.org>

Ping.  Need an ack or an review to merge this.

thanks,
  Gerd